Updates on DimOS-RT
2011-11-03 00:58:21 by demon
Major update. Finaly managed to fix some nasty timing and stack bugs. Check out CVS for changes.
The whole setup
The system is currently running 8 tasks:
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Update on DimOS RT
2011-03-11 12:00:00 by demon
Finally managed to check-in the source code into CVS repository. Feel free to dig around.
New 3-wire LCD output driver.
New serial bootloader and according firmware.
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DimOS RT
2011-02-24 12:00:00 by demon
DimOS RT is a preemtive real-time kernel with EDF-scheduling for Atmega microcontorllers It is inpired by the research paper from Dan Henriksson and Anton Cervin
RGB-LED
A test application for Atmega8 at 16MHz: cycle through HSV-values with 5 independent tasks:
- 1x heartbeat
- 1x hsv2rgb converter/feeder
- 3x PWM driver/reader for each color accordingly
The UART 9600,8n1 feeds current running task, although due to its speed limitation it's not in sync with real context switches.
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Visualisation hack for aucat
2010-11-13 12:00:00 by demon
The last release of OpenBSD (4.8) includes a new cool feature: a monitoring mode in its audio daemon aucat(1).
Thus, this little hack visualizes anything, what is being played using this new mode, no matter where the sound data came from.
Browse CVS: src/spectrogram
Used libs: sndio, SDL, fftw3
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AVR SP12 programmer for OpenBSD
2010-01-06 12:00:00 by demon
Port of AVR SP12 programmer to OpenBSD with some impovements and clean-up.
Requires kern.securelevel ≤ 0 or machdep.allowaperture > 0 (see sysctl(3) for details)
Browse CVS: src/sp12
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tallyman
2009-10-28 12:00:00 by demon
With tallyman you are able to transfer one or many users or even resellers with all its sub-users from one paralells virtuozzo server to another. You can either do the transfer manually by looking for all required database entries, user files, database files, users emails, settings and configurations or let tallyman do it for you. tallyman takes also care about possible collisions on the target system and warn you if there are some.
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utah teapot, xterm and tektronix 4014
2009-02-11 12:00:00 by demon
Some experiments with xterm's Tektronix capabilities
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Turing Machine
2007-11-22 12:00:00 by demon
everyone wrote one, me too.
A result of some studies: a turing machine with infinity tape
Browse CVS: src/turing
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watch
2005-02-27 12:00:00 by demon
Execute program periodically, showing output fullscreen. A free counterpart to GNU watch.
- Download: watch-2.1.tar.gz [4KB] - MD5
- OpenBSD port: watch-port.tar.gz
- Browse CVS: src/watch
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simple bootmanager
2004-09-05 12:00:00 by demon
A simple bootmanager for x86 inspired by Booteasy and OpenBSD MBR code.
- Download: boot.tar.gz [8KB] - MD5
- Browse CVS: src/boot
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Anonymous CVS
2003-06-06 12:00:00 by demon
CVSROOT=anoncvs@cvs.dim13.org:/cvs
- password: anoncvs
- protocol: ssh
alternatively you can also use WebCVS frontend
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